public static function get_instance()
{
if (null == self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
private function on_init()
{
Types_Upgrade::initialize();
// Load Twig - this is a bit hacky way to do it, see Types_Twig_Autoloader class for explanation.
Types_Twig_Autoloader::register();
// Load menu - won't be loaded in embedded version.
if (apply_filters('types_register_pages', true)) {
Types_Admin_Menu::initialize();
}
$this->init_page_extensions();
}